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I accidentally overwrote the /etc/bash.bashrc file.

Please give me the default content in that file to restore, or the file itself.

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3 Answers 3

My /etc/bash.bashrc file is the following:

dad@emachineubuntu:~$ more /etc/bash.bashrc
# System-wide .bashrc file for interactive bash(1) shells.

# To enable the settings / commands in this file for login shells as well,
# this file has to be sourced in /etc/profile.

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)

# set a fancy prompt (non-color, overwrite the one in /etc/profile)
PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '

# Commented out, don't overwrite xterm -T "title" -n "icontitle" by default.
# If this is an xterm set the title to user@host:dir
#case "$TERM" in
#    PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD}\007"'
#    ;;
#    ;;

# enable bash completion in interactive shells
#if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
#    . /etc/bash_completion

# sudo hint
if [ ! -e "$HOME/.sudo_as_admin_successful" ]; then
    case " $(groups) " in *\ admin\ *)
    if [ -x /usr/bin/sudo ]; then
    cat <<-EOF
    To run a command as administrator (user "root"), use "sudo <command>".
    See "man sudo_root" for details.


# if the command-not-found package is installed, use it
if [ -x /usr/lib/command-not-found -o -x /usr/share/command-not-found ]; then
    function command_not_found_handle {
            # check because c-n-f could've been removed in the meantime
                if [ -x /usr/lib/command-not-found ]; then
           /usr/bin/python /usr/lib/command-not-found -- $1
                   return $?
                elif [ -x /usr/share/command-not-found ]; then
           /usr/bin/python /usr/share/command-not-found -- $1
                   return $?
           return 127

However, you could also just boot from a live CD and copy the live CD file onto your hard-disc i.e.

sudo mkdir /mnt/tempmount
sudo mount -t ext4 /dev/sda1 /mnt/tempmount
sudo cp /etc/bash.bashrc /mnt/tempmount/etc/bash.bashrc

Change /dev/sda1 for whatever partition your ubuntu is installed on.

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Or you can download the bash package, extract it via Nautilus, and find the file there. – arrange Aug 2 '11 at 21:15
that's looks like a good answer - why not add one? – fossfreedom Aug 2 '11 at 21:21
well, it's much much easier to copy the source you posted here I guess... ;) It's just an alternative approach for reference. – arrange Aug 2 '11 at 21:25

If you overwrote your bash the best way is to copy it again from your system itself instead of someone else:

rm ~/.bashrc
cp /etc/skel/.bashrc ~/
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Copying the root .bashrc into my folder was the easiest solution for me.

 sudo cp /root/.bashrc ~ 
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This, however, requires root privileges. – Rafał Cieślak Jan 12 '14 at 19:54

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